What is UPS?

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What is UPS?
UPS stands for Uninterruptible Power Supply and it is basically a backup power source for all machines or items that are connected to it. Usually, computer terminals are attached to a UPS unit to give backup power in cases of power interruptions or blackouts. In most cases, the CPU and monitor is attached the UPS unit, but other items may also be attached to it including printers, fax machines, telephones, and others.

Most computers in the corporate world are connected to a UPS unit or system to give “uninterrupted” power supply to computers. It is also crucial for companies not to lose any information on the computer in the event of a power interruption or blackout. During a particular power blackout, computers will continue to run and function through the backup battery or UPS system. In this case, users will be able to save and/or backup files or applications currently in use. This gives protection and security to the applications and files involved. Otherwise, if there is no UPS system involved, some applications and files may be lost or be corrupted due to the power loss or interruption.

But aside from serving as a backup battery or backup power to the computer’s CPU, monitor, and other connected devices, UPS units also help in the regulation of electricity voltage. The flow of electric current is somewhat controlled to a desirable amount to protect all the devices connected to it from electrical surges and drops. These power level variations are avoided through the UPS system because it may damage the computer hardware and may also harm software and applications.

UPS units can provide backup power for several hours depending on the unit capacity. Some units are able to provide extra power for a few hours only, while bigger units provide extra long hours of standby power. If the power supply comes back to normal, most UPS units shift back to “charging” mode while all devices connected to it will also shift to use normal power.

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